Q&A: Should you trust trending peptide injections? Insights into Tanning Biology and Tanning Products JCAD The Journal of Clinical and Aesthetic Dermatology Melanotan is trending again. As a dermatologist, I strongly need to tell you , Its an unapproved injectable peptide, and were seeing:, nausea and flushing, darkening of existing moles, Doctors warn against tan injections Hannah Tittensor and her boyfriend Ben Dunlop have been injecting themselves with an illegal tanning drug called Melanotan for three years. On top of that, they use sunbeds regularly and slather themselves